Ooi, A. C. <br/><br/>
Limestone resource investigation of Gunung Bercham, Gunung Tambun, Gunung Layang-Layang and the Western Flank of Gunung Panjang / 
by Ooi Aun Chye 
 - Ipoh :  Jabatan Penyiasatan Kajibumi,  1981 
 - 28 p. 
 - Report of the Industrial Minerals Division; no.Im 14/1981 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Limestone--Perak<br/>Investigating reporting--Perak